Rebecca Whitmarsh

Bib: 25146 F GB

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 59786

Gender (Female)

#0 / 26115

Masters (Masters Women)

#0 / 11371

Division (F45-49)

#0 / 2995

Race Day Weather

56°/46°F

overcast clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

131 ft elev

5K· 3.11 mi

10:10/mi

31:35

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

11:05/mi

1:05:59

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

12:28/mi

1:44:42

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

13:23/mi

2:26:14

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

13:15/mi

2:35:07

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

13:52/mi

3:08:52

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

14:53/mi

3:55:05

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

15:06/mi

4:41:59

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

14:36/mi

5:27:19

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

14:05/mi

5:46:31

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

503ft

Total climb

166ft

Range

6 to 172 ft

613ft

Total descent

About the height of the Statue of Liberty

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The Course

Half Splits

1st Half· via Half

2:35:0711:51 /mi⚡ faster

2nd Half

3:11:2414:36 /mi+23.4%

Positive split — 23.4% slower in the second half

AI Race Performance Report

Rebecca's race, broken down like a coach

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	31:35	10:10	3.11 mi	31:35	10:10	-
10K	1:05:59	10:38	3.10 mi	34:24	11:05	+0:55
15K	1:44:42	11:14	3.11 mi	38:43	12:28	+1:23
20K	2:26:14	11:47	3.11 mi	41:32	13:23	+0:55
Half(13.10 mi)	2:35:07	11:51	0.67 mi	8:53	13:15	-0:08
25K	3:08:52	12:10	2.43 mi	33:45	13:52	+0:37
30K	3:55:05	12:37	3.11 mi	46:13	14:53	+1:01
35K	4:41:59	12:58	3.11 mi	46:54	15:06	+0:13
40K	5:27:19	13:11	3.10 mi	45:20	14:36	-0:30
Finish(26.22 mi)	5:46:31	13:14	1.37 mi	19:12	14:05	-0:31

Trend:

Faster pace

Steady pace

Slower pace

More below

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Checkpoints & Pacing

Pace Line

Fastest Pace

10:10 /mi

Average Pace

13:14 /mi

Slowest Pace

15:06 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:44:42

30% of race

Time at Steady Pace

2:28:42

43% of race

Time at Slower Pace

1:33:07

27% of race

Average Pace: 13:13 /mi

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Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Females	F45-49	Seg. Overall	Seg. Females	Seg. F45-49
5K	3.11 mi	40496	13672	13672	50646	19824	19824
10K	3.10 mi	43498-3002	15351-1679	15351-1679	46096	16914	16914
15K	3.11 mi	46679-3181	17256-1905	17256-1905	50646	19824	19824
20K	3.11 mi	49125-2446	18841-1585	18841-1585	53040	21609	21609
Half(13.10 mi)	0.67 mi	49236-111	18925-84	18925-84	51174	20615	20615
25K	2.43 mi	49517-281	19170-245	19170-245	50710	20383	20383
30K	3.11 mi	50113-596	19650-480	19650-480	52278	21521	21521
35K	3.11 mi	50333-220	19937-287	19937-287	50935	21112	21112
40K	3.10 mi	50498-165	20147-210	20147-210	51006	21284	21284
Finish(26.22 mi)	1.37 mi	50596-98	20230-83	20230-83	51538	21585	21585

21585

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

London Marathon Events

Race timed by

Mika Timing